Head to head
1
Hard
0
2
Clay
1
Onny Parun's wins on the left · Martin Mulligan's on the right · bar lengths share one scale
All meetings (4)
| 1974 | Bastad | Clay | R16 | Onny Parun | 6-4 6-2 |
| 1973 | Roland Garros | Clay | R64 | Onny Parun | 6-4 7-5 |
| 1971 | San Juan | Hard | R32 | Onny Parun | 6-3 7-6 |
| 1968 | Naples | Clay | R32 | Martin Mulligan | 6-3 4-6 9-7 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.